Hardened Steel Thrust Washer / Bearing Race - Used Marine Diesel Take-Off

Application: Used hardened steel thrust washer / bearing race / seal seat, believed to be a marine diesel engine or transmission internal component. Handwritten number "83409" on the face; no visible OEM stamping or manufacturer logo. Approx. 4 in OD x 1.75 in ID x 0.9 in thick. Condition: Used take-off with light surface rust and staining; running surfaces appear serviceable. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.